I have a stored procedure called 'spD_DefectsByStateAndSeverity' which is defined as follows: CREATE PROCEDURE [dbo].[spD_DefectsByStateAndSeverity](    @ProjectID int = NULL)ASSELECT * FROM Defects  When I try to create a custom report and enter the following SQL Command: spD_DefectsByStateAndSeverity @ProjectID = 437 I ...